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EMA (Epithelial Membrane Antigen) pin


EMA (Epithelial Membrane Antigen)

Methodology: IHC

Clinical Significance:
Identifies: Epithelial membrane protein (EMA), a transmembrane glycoprotein encoded by the MUC1 gene. Expression of EMA can assist in the identification of metastatic v. primary cancers in the liver, nerve sheath tumors, meningioma, anaplastic large cell lymphoma, and other tumors. Subcellular Localization: Membranous


Disease State: Large Cell Undifferentiated Malignant Neoplams

CPT Code(s): 88342 or 88341. The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Turnaround Time: Within 1-2 business days of receipt

Schedule: Monday - Friday

Specimen Requirements:
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR - • 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm